From 271740034791dc7137325d5b5352217c3bc987f3 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 27 Jun 2021 16:25:20 -0700
Subject: Initial geofence draw implementation

---
 modern/src/map/GeofenceEditMap.js | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

(limited to 'modern/src/map/GeofenceEditMap.js')

diff --git a/modern/src/map/GeofenceEditMap.js b/modern/src/map/GeofenceEditMap.js
index 9487e97c..291cab75 100644
--- a/modern/src/map/GeofenceEditMap.js
+++ b/modern/src/map/GeofenceEditMap.js
@@ -3,6 +3,10 @@ import MapboxDraw from '@mapbox/mapbox-gl-draw';
 import { useEffect } from 'react';
 
 import { map } from './Map';
+import { geofenceToFeature, geometryToArea } from './mapUtil';
+import { useDispatch, useSelector } from 'react-redux';
+import { geofencesActions } from '../store';
+import { useHistory } from 'react-router-dom';
 
 const draw = new MapboxDraw({
   displayControlsDefault: false,
@@ -13,8 +17,67 @@ const draw = new MapboxDraw({
 });
 
 const GeofenceEditMap = () => {
+  const dispatch = useDispatch();
+  const history = useHistory();
+
+  const geofences = useSelector(state => Object.values(state.geofences.items));
+
+  const refreshGeofences = async () => {
+    const response = await fetch('/api/geofences');
+    if (response.ok) {
+      dispatch(geofencesActions.refresh(await response.json()));
+    }
+  }
+
   useEffect(() => {
+    refreshGeofences();
+
     map.addControl(draw, 'top-left');
+
+    draw.deleteAll();
+    for (const geofence of geofences) {
+      draw.add(geofenceToFeature(geofence));
+    }
+
+    map.on('draw.create', async event => {
+      const feature = event.features[0];
+      const newItem = { name: '', area: geometryToArea(feature.geometry) };
+      draw.delete(feature.id);
+      const response = await fetch(`/api/geofences`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(newItem),
+      });
+      if (response.ok) {
+        const item = await response.json();
+        history.push(`/geofence/${item.id}`);
+      }
+    });
+
+    map.on('draw.delete', async event => {
+      const feature = event.features[0];
+      const response = await fetch(`/api/geofences/${feature.id}`, { method: 'DELETE' });
+      if (response.ok) {
+        refreshGeofences();
+      }
+    });
+
+    map.on('draw.update', async event => {
+      const feature = event.features[0];
+      const item = geofences.find(i => i.id === feature.id);
+      if (item) {
+        const updatedItem = { ...item, area: geometryToArea(feature.geometry) };
+        const response = await fetch(`/api/geofences/${feature.id}`, {
+          method: 'PUT',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify(updatedItem),
+        });
+        if (response.ok) {
+          refreshGeofences();
+        }
+      }
+    });
+
     return () => map.removeControl(draw);
   }, []);
 
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